Core yarn and method and apparatus for making

Details Core yarn and method and apparatus for making Core yarn and method and apparatus for making

1983-11-21

1985-09-24

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

28247, 28258, 28281, 57 16, 57 18, 57228, 57309, 57351, D02G 336, D02G 338, D02G 120

Patent

active

045426198

ABSTRACT:
This invention discloses a yarn, and method and apparatus for making it, composed of a core component having yarn strength wrapped clockwise and counter-clockwise by wrapper components, wherein the core has a sinuous configuration and contains a greater length per unit of yarn length than the wrapper components. Optionally, the core component may be a newly texturized multi-filament yarn, wrapped according to this invention before being subjected to significant tension, thereby preserving much of the bulk that would otherwise be lost in winding or other tensioning of the texturized core in unwrapped condition.

REFERENCES:
patent: 3643416 (1972-02-01), Andrews et al.
patent: 3675409 (1972-07-01), Rosenstein
patent: 3769787 (1973-11-01), Rosenstein et al.
patent: 3831369 (1974-08-01), Northup et al.
patent: 4028874 (1977-06-01), Maag et al.
patent: 4346553 (1982-08-01), Schwartz

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